Air quality detecting device



FIG. 1 is a front elevation view of an air quality detecting device, showing our new design;

FIG. 2 is a rear elevation view of the embodiment shown in FIG. 1;

FIG. 3 is a left-side elevation view of the embodiment shown in FIG. 1;

FIG. 4 is a right-side elevation view of the embodiment shown in FIG. 1

FIG. 5 is top-down plan view of the embodiment shown in FIG. 1;

FIG. 6 is a bottom-up plan view of the embodiment shown in FIG. 1;

FIG. 7 is a first perspective view of the embodiment shown in FIG. 1;

FIG. 8 is a second perspective view of the embodiment shown in FIG. 1;

FIG. 9 is a first view of the air quality detecting device in a first state of use;

FIG. 10 is a second view of the air quality detecting device in a second state of use;

FIG. 11 is a third view of the air quality detecting device in a third state of use;

FIG. 12 is a fourth view of the air quality detecting device in a fourth state of use;

FIG. 13 is a fifth view of the air quality detecting device in a fifth state of use;

FIG. 14 is a sixth view of the air quality detecting device in a sixth state of use; and,

FIG. 15 is a seventh view of the air quality detecting device in a seventh state of use.

Broken lines in the figures represent the bounds of the claimed design and form no part thereof. 

CLAIM The ornamental design for an air quality detecting device, as shown and described. 